1. 4.4 – Adding and Subtracting Like Fractions Adding and Subtracting 1. The denominators can not equal zero ( fraction would be undefined). 2. Denominators must be the same. 3. Numerators may be added or subtracted if the values of the denominators are the same (common denominator). 4. The denominators are not added or subtracted to each other.

2. 4.4 – Adding and Subtracting Like Fractions Adding and Subtracting

3. 4.4 – Adding and Subtracting Like Fractions Adding and Subtracting

4. 4.4 – Adding and Subtracting Like Fractions Adding and Subtracting

5. 4.4 – Adding and Subtracting Like Fractions Adding and Subtracting

6. 4.4 – Adding and Subtracting Like Fractions Least Common Denominator - LCD The Least Common Denominator of a list of fractions is the smallest positive number that is divisible by all denominators from the list. The Least Common Denominator is also the Least Common Multiple. To find the LCD, review the multiples of the largest denominator and select the first one that is divisible by all denominators. Find the LCD of the following fractions. LCD28LCD 150

7. 4.4 – Adding and Subtracting Like Fractions Least Common Denominator - LCD Find the LCD of the following fractions. LCD24 LCD:

8. 4.4 – Adding and Subtracting Like Fractions Least Common Denominator - LCD Find the LCD of the following fractions. LCD:

9. 4.4 – Adding and Subtracting Like Fractions Least Common Denominator - LCD Find the LCD of the following fractions. LCD:

10. 4.4 – Adding and Subtracting Like Fractions Equivalent Fractions Given a fraction, find the equivalent fraction with the stated denominator.

11. 4.5 – Adding and Subtracting Unlike Fractions Adding and Subtracting 1. Find the LCD of the fractions. 2. Write each fraction as an equivalent fraction with the LCD as the denominator. 3. Add or subtract the like fractions. 4. Simplify the answer.

12. 4.5 – Adding and Subtracting Unlike Fractions Adding and Subtracting Add or subtract the following fractions.

13. 4.5 – Adding and Subtracting Unlike Fractions Adding and Subtracting Add or subtract the following fractions.

14. 4.5 – Adding and Subtracting Unlike Fractions Adding and Subtracting Add or subtract the following fractions.

15. 4.5 – Adding and Subtracting Unlike Fractions Comparing Fractions Insert to create a true statement.

16. 4.5 – Adding and Subtracting Unlike Fractions Comparing Fractions Insert to create a true statement.